257276640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{769}}^1$

素因数の和:845

約数の個数: 192

約数和(自身を含む): 880165440

約数和(自身を除く): 622888800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 41, 48, 51, 60, 68, 80, 82, 85, 96, 102, 120, 123, 136, 160, 164, 170, 204, 205, 240, 246, 255, 272, 328, 340, 408, 410, 480, 492, 510, 544, 615, 656, 680, 697, 769, 816, 820, 984, 1020, 1230, 1312, 1360, 1394, 1538, 1632, 1640, 1968, 2040, 2091, 2307, 2460, 2720, 2788, 3076, 3280, 3485, 3845, 3936, 4080, 4182, 4614, 4920, 5576, 6152, 6560, 6970, 7690, 8160, 8364, 9228, 9840, 10455, 11152, 11535, 12304, 13073, 13940, 15380, 16728, 18456, 19680, 20910, 22304, 23070, 24608, 26146, 27880, 30760, 31529, 33456, 36912, 39219, 41820, 46140, 52292, 55760, 61520, 63058, 65365, 66912, 73824, 78438, 83640, 92280, 94587, 104584, 111520, 123040, 126116, 130730, 156876, 157645, 167280, 184560, 189174, 196095, 209168, 252232, 261460, 313752, 315290, 334560, 369120, 378348, 392190, 418336, 472935, 504464, 522920, 535993, 627504, 630580, 756696, 784380, 945870, 1008928, 1045840, 1071986, 1255008, 1261160, 1513392, 1568760, 1607979, 1891740, 2091680, 2143972, 2522320, 2679965, 3026784, 3137520, 3215958, 3783480, 4287944, 5044640, 5359930, 6275040, 6431916, 7566960, 8039895, 8575888, 10719860, 12863832, 15133920, 16079790, 17151776, 21439720, 25727664, 32159580, 42879440, 51455328, 64319160, 85758880, 128638320, 257276640]

約数ペア:

[(1, 257276640), (2, 128638320), (3, 85758880), (4, 64319160), (5, 51455328), (6, 42879440), (8, 32159580), (10, 25727664), (12, 21439720), (15, 17151776), (16, 16079790), (17, 15133920), (20, 12863832), (24, 10719860), (30, 8575888), (32, 8039895), (34, 7566960), (40, 6431916), (41, 6275040), (48, 5359930), (51, 5044640), (60, 4287944), (68, 3783480), (80, 3215958), (82, 3137520), (85, 3026784), (96, 2679965), (102, 2522320), (120, 2143972), (123, 2091680), (136, 1891740), (160, 1607979), (164, 1568760), (170, 1513392), (204, 1261160), (205, 1255008), (240, 1071986), (246, 1045840), (255, 1008928), (272, 945870), (328, 784380), (340, 756696), (408, 630580), (410, 627504), (480, 535993), (492, 522920), (510, 504464), (544, 472935), (615, 418336), (656, 392190), (680, 378348), (697, 369120), (769, 334560), (816, 315290), (820, 313752), (984, 261460), (1020, 252232), (1230, 209168), (1312, 196095), (1360, 189174), (1394, 184560), (1538, 167280), (1632, 157645), (1640, 156876), (1968, 130730), (2040, 126116), (2091, 123040), (2307, 111520), (2460, 104584), (2720, 94587), (2788, 92280), (3076, 83640), (3280, 78438), (3485, 73824), (3845, 66912), (3936, 65365), (4080, 63058), (4182, 61520), (4614, 55760), (4920, 52292), (5576, 46140), (6152, 41820), (6560, 39219), (6970, 36912), (7690, 33456), (8160, 31529), (8364, 30760), (9228, 27880), (9840, 26146), (10455, 24608), (11152, 23070), (11535, 22304), (12304, 20910), (13073, 19680), (13940, 18456), (15380, 16728)]